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Post by fernwood on Jul 25, 2017 9:33:26 GMT -5
Found 3 of these, all 2.5” to 3.5” across in my fields. Very heavy for size, but not magnetic. Reminds me of the Gold/Copper laden Bornite we received at the Rusk County, WI, Flambeau Mine. Definitely not Fool’s Gold, as I grew up with than in our sand pit. The Gold/Copper colored areas on my finds do not flake off, but can be scratched. Working on a Flickr Album which will contain more photos of what I found, next to pieces of the Mine Bornite. My area is not known for Gold deposits. I do have a friend who made a carry in sluice box and has been using that to extract Gold from a remote, local creek. Over the past 5 years, he has found about 8 ounces, last I heard. Mostly, according to his description, small stuff, flakes in black rock. Showed him a ¾” piece of the Bornite, and he said, yup, like that, but not as many “rainbows”. So, what does anyone think? First photo is one of my recent finds. Other two are Bornite from Mine. Does this have any cabbing potential? Would be beautiful, if so. Is it worth getting tested for Gold? Total weight of all three pieces is about 1 lb. The Gold/Copper areas go through each rock. Thanks.    |
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Fossilman
Cave Dweller 
Member since January 2009
Posts: 20,718 
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Post by Fossilman on Jul 25, 2017 9:37:22 GMT -5
Could be pyrite.....Plus copper.........
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Post by fantastic5 on Jul 25, 2017 9:43:21 GMT -5
Can't help you with the gold, but the colors on the second picture reminds me of the iridescent goethite/hematite from Graves Mountain in Georgia.
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QuailRiver
fully equipped rock polisher
Member since May 2008
Posts: 1,640
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Post by QuailRiver on Jul 25, 2017 11:33:13 GMT -5
Looks like Pyrite and Chalcopyrite to me. Trace gold does sometimes occur with both. What area of WI did you find it in?
Larry C.
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bushmanbilly
Cave Dweller
Member since October 2008
Posts: 4,719
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Post by bushmanbilly on Jul 25, 2017 12:27:33 GMT -5
Easy way to tell pyrite from gold. Hold it in the sunlight. If it shines from all directions, its gold. If it only shines from one side its pyrite. Best I can do. Pictures would not lode for me.
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Post by fernwood on Jul 25, 2017 13:49:10 GMT -5
Looks like Pyrite and Chalcopyrite to me. Trace gold does sometimes occur with both. What area of WI did you find it in? Larry C. SE Portage County. |
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Post by fernwood on Jul 25, 2017 13:51:01 GMT -5
Easy way to tell pyrite from gold. Hold it in the sunlight. If it shines from all directions, its gold. If it only shines from one side its pyrite. Best I can do. Pictures would not lode for me. Raining now. Earlier when I had them outside, glittering from all sides. Strange photos would not load, as they are board attachments. |
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bushmanbilly
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Member since October 2008
Posts: 4,719
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Post by bushmanbilly on Jul 25, 2017 14:44:30 GMT -5
Loaded for me this time. Looks like peacock ore. I believe its pyrite not gold. Could be wrong. I really hope I am, because if it is gold. You hit the motherlode. en.wikipedia.org/wiki/Bornite |
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bushmanbilly
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Member since October 2008
Posts: 4,719
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Post by bushmanbilly on Jul 25, 2017 14:46:47 GMT -5
Try crushing some of it and pan it. Pyrite will turn to dust, gold will flatten out.
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bushmanbilly
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Member since October 2008
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Post by bushmanbilly on Jul 25, 2017 14:48:56 GMT -5
During the four year operation, the Flambeau Mine produced 181,000 tons of copper, 334,000 ounces of gold and 3.3 million ounces of silver. Under Wisconsin's mining laws, the mine conducted more than 1000 analyses on water samples and treated more than 600 million gallons of water in a state-of-the-art water treatment plant. During construction and operations, 85% of the workforce were local residents. More than 100,000 people visited the mine, taking in the view from the Visitors Center, high above the 181-acre site. Reclamation began in 1997 and since then has been completed.[1] The mine operated on the shores of the Flambeau River, a popular recreation river. The river provides habitat for a variety of aquatic and wildlife species.[2] en.wikipedia.org/wiki/Flambeau_Mine |
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QuailRiver
fully equipped rock polisher
Member since May 2008
Posts: 1,640
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Post by QuailRiver on Jul 25, 2017 15:27:03 GMT -5
Looks like Pyrite and Chalcopyrite to me. Trace gold does sometimes occur with both. What area of WI did you find it in? Larry C. SE Portage County. When I worked for a prospecting firm back in 1980 we did find gold not too far from there in Marathon county (if I remember correctly in the vicinity of hwy M). But what I saw of that was in white quartz. Larry C. |
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Post by drocknut on Jul 25, 2017 15:33:21 GMT -5
I have seen Bornite cabbed and it does turn out beautiful and really shiny.
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Post by fernwood on Jul 25, 2017 15:49:45 GMT -5
When I worked for a prospecting firm back in 1980 we did find gold not too far from there in Marathon county (if I remember correctly in the vicinity of hwy M). But what I saw of that was in white quartz. Larry C. Here is the other side of the above piece with white Quartz.  |
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Post by fernwood on Jul 25, 2017 17:10:03 GMT -5
Got brave and chipped off a few pieces. The gold colored parts flattened, as did some of the silver ones.
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Post by wigglinrocks on Jul 25, 2017 17:20:35 GMT -5
During the four year operation, the Flambeau Mine produced 181,000 tons of copper, 334,000 ounces of gold and 3.3 million ounces of silver. Under Wisconsin's mining laws, the mine conducted more than 1000 analyses on water samples and treated more than 600 million gallons of water in a state-of-the-art water treatment plant. During construction and operations, 85% of the workforce were local residents. More than 100,000 people visited the mine, taking in the view from the Visitors Center, high above the 181-acre site. Reclamation began in 1997 and since then has been completed.[1] The mine operated on the shores of the Flambeau River, a popular recreation river. The river provides habitat for a variety of aquatic and wildlife species.[2] en.wikipedia.org/wiki/Flambeau_MineAfter the reclamation they created quite a trail system for walking and horses . 20 miles from my house . |
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bushmanbilly
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Member since October 2008
Posts: 4,719
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Post by bushmanbilly on Jul 25, 2017 17:57:20 GMT -5
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Post by fernwood on Jul 25, 2017 18:32:35 GMT -5
Thanks for the link.
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bushmanbilly
Cave Dweller
Member since October 2008
Posts: 4,719
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Post by bushmanbilly on Jul 25, 2017 20:34:29 GMT -5
Your welcome.
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Post by fernwood on Jul 26, 2017 4:59:52 GMT -5
During the four year operation, the Flambeau Mine produced 181,000 tons of copper, 334,000 ounces of gold and 3.3 million ounces of silver. Under Wisconsin's mining laws, the mine conducted more than 1000 analyses on water samples and treated more than 600 million gallons of water in a state-of-the-art water treatment plant. During construction and operations, 85% of the workforce were local residents. More than 100,000 people visited the mine, taking in the view from the Visitors Center, high above the 181-acre site. Reclamation began in 1997 and since then has been completed.[1] The mine operated on the shores of the Flambeau River, a popular recreation river. The river provides habitat for a variety of aquatic and wildlife species.[2] en.wikipedia.org/wiki/Flambeau_MineAfter the reclamation they created quite a trail system for walking and horses . 20 miles from my house . I lived about 22 miles away from many years. Do you ever go rock hunting in the Blue Hills? |
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Post by fernwood on Jul 26, 2017 7:47:17 GMT -5
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